`"Rain Fall Harvest" = "Area of Catchment" * "Amount of Rain Collected" * "Efficiency of the Catchment" `
Enter a value for all fields
The Rain Fall Harvest equation calculates how much rain water has been harvested from a certain catchment (surface). Rain Fall Harvest can be used for several purposes like irrigation and drinking water (if treated adequately).
Resource:
Lancaster, Brad, and Joe Marshall. Rainwater Harvesting for Drylands. Vol. 1. Tucson, AZ: Rainsource, 2006. Print.